[pycsw-devel] Preparing Postgres/Postgis DB

Jeff McKenna jmckenna at gatewaygeomatics.com
Fri May 24 06:34:48 PDT 2013


I also just found out that for Windows, the PL/Python extension
(required by pycsw) is only available for Python 3 (I use Python 2.6 on
Windows), because PostgreSQL 9.2 Windows binaries are packaged with
Python 3 support.  Something that future readers of this email thread
should beware of.  I will make a note of this.

-jeff



On 2013-05-23 7:59 PM, Angelos Tzotsos wrote:
> Hi Jeff,
> 
> PostGIS 2.x native support is in git master (to be released as 1.6.0).
> 
> Cheers,
> Angelos
> 
> On 05/23/2013 11:21 PM, Jeff McKenna wrote:
>> Hello all,
>>
>> (I apologize if this is a simple question/answer)
>>
>> I have created a new PostgreSQL database (named "pycsw-demo"), and
>> loaded the PostGIS extension (I'm using PostGIS 2.0.2).  So, this db has
>> a single existing table, named "spatial_ref_sys".
>>
>> However when I try to setup_db it I get the following error, like it is
>> not happy that this spatial table already exists:
>>
>> ****
>>     python ./sbin/pycsw-admin.py -c setup_db -f default.cfg
>>
>>     Initializing static context
>>     Creating database postgresql://postgres:xxxx@yyyyy:5435/pycsw-demo
>>     Creating table spatial_ref_sys
>>     Traceback (most recent call last):
>>       File "./sbin/pycsw-admin.py", line 239, in <module>
>>         admin.setup_db(DATABASE, TABLE, HOME)
>>       File
>> "C:\Python26\Scripts\pycsw-workshop\lib\site-packages\pycsw\admin.py",
>> line 62, in
>>     setup_db
>>         srs.create()
>>       File "build\bdist.win32\egg\sqlalchemy\schema.py", line 614, in
>> create
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 1479, in
>> _run_visitor
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 1122, in
>> _run_visitor
>>       File "build\bdist.win32\egg\sqlalchemy\sql\visitors.py", line
>> 111, in
>> traverse_single
>>       File "build\bdist.win32\egg\sqlalchemy\engine\ddl.py", line 89, in
>> visit_table
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 662, in
>> execute
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 720, in
>> _execute_ddl
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 874, in
>> _execute_context
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 1024, in
>> _handle_dbapi_exce
>>     ption
>>       File "build\bdist.win32\egg\sqlalchemy\util\compat.py", line
>> 163, in
>> raise_from_cause
>>       File "build\bdist.win32\egg\sqlalchemy\engine\base.py", line
>> 867, in
>> _execute_context
>>       File "build\bdist.win32\egg\sqlalchemy\engine\default.py", line
>> 324,
>> in do_execute
>>     sqlalchemy.exc.ProgrammingError: (ProgrammingError) relation
>> "spatial_ref_sys" already exi
>>     sts
>>      '\nCREATE TABLE spatial_ref_sys (\n\tsrid SERIAL NOT NULL,
>> \n\tauth_name VARCHAR(256), \n
>>     \tauth_srid INTEGER, \n\tsrtext VARCHAR(2048), \n\tPRIMARY KEY
>> (srid)\n)\n\n' {}
>> ****
>>
>> Is there something like an append setting for setup_db ?
>>
>> -jeff
>>
>>
> 
> 


-- 
Jeff McKenna
MapServer Consulting and Training Services
http://www.gatewaygeomatics.com/


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